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延迟容忍网络中基于分离时间和副本控制的路由算法

DOI: 10.13190/jbupt.201102.113.liuql, PP. 113-117

Keywords: 延迟容忍网络,分离时间,副本控制,缓存管理,组播路由

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Abstract:

延迟容忍网络中,基于历史消息转发路由协议可根据节点的历史统计信息对下一跳节点进行预测估计,以此判断转发和存储信息的最佳时机,避免信息盲目转发.为此,针对典型sprayandfocus协议选择中间节点的盲目性,将“分离时间”和“副本控制”运用于路由选择、缓存管理和组播方式中,可较好地节约资源,并提高通信效率.仿真结果表明,改进后的协议有效地提高了网络交付率,减小了端到端的时延.

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